peroxides

https://doi.org/10.1351/goldbook.P04510
Compounds of structure ROOR in which R may be any organyl group (The term is also used in an inorganic sense to denote salts of the anion O22−).
See also: hydroperoxides
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1356 (https://doi.org/10.1351/pac199567081307)